20726704

素因数分解:

$2^4\times {\mathrm{167}}^1\times {\mathrm{7757}}^1$

素因数の和:7932

約数の個数: 20

約数和(自身を含む): 40403664

約数和(自身を除く): 19676960

約数列:

[1, 2, 4, 8, 16, 167, 334, 668, 1336, 2672, 7757, 15514, 31028, 62056, 124112, 1295419, 2590838, 5181676, 10363352, 20726704]

約数ペア:

[(1, 20726704), (2, 10363352), (4, 5181676), (8, 2590838), (16, 1295419), (167, 124112), (334, 62056), (668, 31028), (1336, 15514), (2672, 7757)]